Low-Temperature Magnetic Properties of Nanocomposites Containing Superparamagnetic Fe3C Particles

被引：2
|
作者：
David, B. [1 ]
Schneeweiss, O. [1 ]
Santava, E. [2 ]
Morjan, I. [3 ]
机构：
[1] AS CR, Inst Phys Mat, CZ-61662 Brno, Czech Republic
[2] AS CR, Inst Phys, CZ-18221 Prague 8, Czech Republic
[3] Natl Inst Lasers Plasma & Radiat Phys, Bucharest 077125, Romania
来源：
ACTA PHYSICA POLONICA A | 2010年 / 118卷 / 05期
关键词：
ANNEALING BEHAVIOR; PYROLYSIS; NANOPOWDERS;
D O I：
10.12693/APhysPolA.118.766
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Two nanopowders containing superparamagnetic Fe3C particles, superparamagnetic Fe3O4/gamma-Fe2O3 particles and carbon black phase were synthesised by the method of laser-induced homogeneous pyrolysis of gaseous precursors Both were characterised by X-ray diffraction, Mossbauer spectrometry and standard magnetic measurements The mean crystallite size of Fe3C was 3 nm for the first sample and 10 nm for the second sample Mossbauer spectra measured at 27 K and zero-field cooled/field cooled curves measured down to 4 K are reported
引用
收藏
页码：766 / 767
页数：2
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